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COOLDO Gold Testing Machine
COOLDO gold testing machines provide a fast and accurate method to determine gold concentration in jewelry and other precious metal samples.
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Superior Gold Melting Furnace
This induction gold melting furnace from Cooldo combines advanced IGBT technology to achieve energy-saving and speed melting with a low fault rate.
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@mandy913608editor·Industrial Metal Processing Equipment Manufacturer | COOLDO
COOLDO manufactures industrial metal melting furnaces, casting machines, vacuum furnaces and heat-treatment equipment for foundries and metal plants worldwide.
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